Home / 28,152.75-42,229.67-10,630.83

Finding the Fourth Proportional to 28,152.75, 42,229.67 and 10,630.83

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Solution

The fourth proportional to 28,152.75, 42,229.67 and 10,630.83 is: 15,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152.75 : 42,229.67 = 10,630.83 : x
  2. Step 2: Convert to fraction form
    28,152.75/42,229.67 = 10,630.83/x
  3. Step 3: Cross multiply
    28,152.75x = 42,229.67 × 10,630.83
  4. Step 4: Simplify right side
    28,152.75x = 448,936,389.57
  5. Step 5: Solve for x
    x = 448,936,389.57/28,152.75
  6. Step 6: Final answer
    x = 15,946.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.